Thermal Resistance Network Calculator

Calculate total thermal resistance and heat flow through series and parallel thermal resistance networks.

Temperature at the hot boundary.
°C
Temperature at the cold boundary.
°C
Thickness of the first layer.
mm
Steel: 50, Insulation: 0.04, Brick: 0.7 W/mK.
W/m·K
Thickness of second layer (insulation). 0 if none.
mm
Mineral wool: 0.04, Fiberglass: 0.04, Foam: 0.03 W/mK.
W/m·K
Cross-sectional area of heat flow.

Results

Resistance Layer 1-°C/W
Resistance Layer 2-°C/W
Total Resistance-°C/W
Heat Flow Rate-W
Interface Temperature-°C
References: Incropera — Heat Transfer; Cengel — Heat Transfer